Micropropagation of Phalaenopsis Orchids via Protocorms and Protocorm-Like Bodies
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Last Update: 2020-11-13
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Source: Internet
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Author: User
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Phalaenopsis
orchids have high economic value in the floriculture industry. Hybridization or cross-pollination in the breeding program have proven to be very reliable techniques for the production of a wide range of successful cultivars with attractive combinations of spray length, bud number, flower color and type, fragrance, seasonality, and compactness. In vitro propagation makes it possible to clonally mass propagate hybrids of commercial value and conserved species. However, in vitro culture technologies are still a challenge because of the slow growth of plantlets, low multiplication rate, poor rooting, and somaclonal variation. Although seed-raised plants can be used for conservation and breeding for the selection of superior features, genetic characteristics including seasonality, inflorescence, flower color, and type are not uniform. In this regard, micropropagation through protocorm-like bodies obtained from germinating embryos and somatic tissues is an important strategy in obtaining genetically stable plants and the improvement of quality. However, not all genotypes of
Phalaenopsis
respond to the same protocol under the same culture conditions and often result in the development of undesirable characteristics. In this chapter, plantlet production in
Phalaenopsis
orchids via the culture of protocorms from seeds and protocorm-like bodies from leaf sections and root tips are detailed.
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